133 	struct sem_undo		*undo;	 /* undo structure */  member
657 	un = q->undo;  in perform_atomic_semop_slow()
675 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop_slow()  local
677 			if (undo < (-SEMAEM - 1) || undo > SEMAEM)  in perform_atomic_semop_slow()
679 			un->semadj[sop->sem_num] = undo;  in perform_atomic_semop_slow()
696 	goto undo;  in perform_atomic_semop_slow()
706 undo:  in perform_atomic_semop_slow()
729 	un = q->undo;  in perform_atomic_semop()
758 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop()  local
761 			if (undo < (-SEMAEM - 1) || undo > SEMAEM)  in perform_atomic_semop()
772 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop()  local
774 			un->semadj[sop->sem_num] = undo;  in perform_atomic_semop()
1735 	compat_uptr_t undo;  member
2099 	queue.undo = un;  in __do_semtimedop()